Features that allow stacking of a number of DotFeatures.
They transparently provide all the operations of DotFeatures, i.e.
在文件CombinedDotFeatures.h第43行定义。
constructor
在文件CombinedDotFeatures.cpp第17行定义。
CCombinedDotFeatures | ( | const CCombinedDotFeatures & | orig | ) |
copy constructor
在文件CombinedDotFeatures.cpp第23行定义。
~CCombinedDotFeatures | ( | ) | [virtual] |
destructor
在文件CombinedDotFeatures.cpp第34行定义。
void add_to_dense_vec | ( | float64_t | alpha, | |
int32_t | vec_idx1, | |||
float64_t * | vec2, | |||
int32_t | vec2_len, | |||
bool | abs_val = false | |||
) | [virtual] |
add vector 1 multiplied with alpha to dense vector2
alpha | scalar alpha | |
vec_idx1 | index of first vector | |
vec2 | pointer to real valued vector | |
vec2_len | length of real valued vector | |
abs_val | if true add the absolute value |
实现了CDotFeatures。
在文件CombinedDotFeatures.cpp第119行定义。
bool append_feature_obj | ( | CDotFeatures * | obj | ) |
append feature object
obj | feature object to append |
在文件CombinedDotFeatures.h第210行定义。
bool delete_feature_obj | ( | ) |
compute dot product between vector1 and a dense vector
vec_idx1 | index of first vector | |
vec2 | pointer to real valued vector | |
vec2_len | length of real valued vector |
实现了CDotFeatures。
在文件CombinedDotFeatures.cpp第100行定义。
float64_t dot | ( | int32_t | vec_idx1, | |
int32_t | vec_idx2 | |||
) | [virtual] |
compute dot product between vector1 and vector2, appointed by their indices
vec_idx1 | index of first vector | |
vec_idx2 | index of second vector |
实现了CDotFeatures。
在文件CombinedDotFeatures.cpp第84行定义。
CFeatures * duplicate | ( | ) | const [virtual] |
virtual int32_t get_dim_feature_space | ( | ) | [virtual] |
obtain the dimensionality of the feature space
实现了CDotFeatures。
在文件CombinedDotFeatures.h第64行定义。
virtual EFeatureClass get_feature_class | ( | ) | [virtual] |
virtual EFeatureType get_feature_type | ( | ) | [virtual] |
CDotFeatures* get_first_feature_obj | ( | CListElement< CDotFeatures * > *& | current | ) |
get first feature object
current | list of features |
在文件CombinedDotFeatures.h第150行定义。
CDotFeatures* get_first_feature_obj | ( | ) |
CDotFeatures* get_last_feature_obj | ( | ) |
virtual const char* get_name | ( | ) | const [virtual] |
CDotFeatures* get_next_feature_obj | ( | CListElement< CDotFeatures * > *& | current | ) |
get next feature object
current | list of features |
在文件CombinedDotFeatures.h第173行定义。
CDotFeatures* get_next_feature_obj | ( | ) |
int32_t get_nnz_features_for_vector | ( | int32_t | num | ) | [virtual] |
get number of non-zero features in vector
num | which vector |
实现了CDotFeatures。
在文件CombinedDotFeatures.cpp第135行定义。
int32_t get_num_feature_obj | ( | ) |
virtual int32_t get_num_vectors | ( | ) | [virtual] |
get number of examples/vectors
abstract base method
实现了CFeatures。
在文件CombinedDotFeatures.h第55行定义。
virtual int32_t get_size | ( | ) | [virtual] |
get memory footprint of one feature
abstract base method
实现了CFeatures。
在文件CombinedDotFeatures.h第120行定义。
void get_subfeature_weights | ( | float64_t ** | weights, | |
int32_t * | num_weights | |||
) | [virtual] |
get subfeature weights
weights | subfeature weights | |
num_weights | where number of weights is stored |
在文件CombinedDotFeatures.cpp第150行定义。
bool insert_feature_obj | ( | CDotFeatures * | obj | ) |
insert feature object
obj | feature object to insert |
在文件CombinedDotFeatures.h第196行定义。
void list_feature_objs | ( | ) |
list feature objects
在文件CombinedDotFeatures.cpp第39行定义。
void set_subfeature_weights | ( | float64_t * | weights, | |
int32_t | num_weights | |||
) | [virtual] |
set subfeature weights
weights | new subfeature weights | |
num_weights | number of subfeature weights |
在文件CombinedDotFeatures.cpp第168行定义。
void update_dim_feature_space_and_num_vec | ( | ) | [protected] |
update total number of dimensions and vectors
在文件CombinedDotFeatures.cpp第57行定义。
CList<CDotFeatures*>* feature_list [protected] |
feature list
在文件CombinedDotFeatures.h第269行定义。
int32_t num_dimensions [protected] |
total number of dimensions
在文件CombinedDotFeatures.h第274行定义。
int32_t num_vectors [protected] |
total number of vectors
在文件CombinedDotFeatures.h第272行定义。